ARM Oaxaca (PO-161) is the lead ship of the of patrol vessels, constructed by and for the Mexican Navy. It has a length of , a draft of , a beam of , and displaces . Primary armament is a single OTO Melara 76 mm naval gun, with a pair of OTO Melara 12.7 mm remote controlled naval turret Mod. 517 with M2 12.7mm machine guns on each side, and an Oto Melara single 30/SAFS 30 mm cannon aft. A helipad on the afterdeck has handling capabilities for a variety of helicopters, such as the Panther, Fennec, or the Bolkow Bo 105 Super-5. The ship has a cruising speed of , carries a complement of 77, and has provisions to carry a group of 39 special forces and/or marines for a variety of missions. UNITAS Gold ARM Oaxaca participated in UNITAS Gold from 25 April 2009 to 5 May 2009. The ships main guns were tested as well as a BO-105 helicopter from the ship during the sinking of the ex-USS Conolly (DD-975) 29 April. This was the first time Mexico participated in UNITAS Gold, sending ARM Oaxaca and ARM Mina. The ships also practiced fire drills and other exercises. References External links Oaxaca-class patrol vessels 2003 ships